Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
May is marked by a distinct increase in the average high-temperature, climbing from a fresh 50.4°F (10.2°C) in April to a comfortable 64.8°F (18.2°C). Massena, in the month of May, anticipates a consistent average low-temperature of 46°F (7.8°C).Humidity
In May, the average relative humidity in Massena is 78%.Rainfall
In Massena, during May, the rain falls for 16.5 days and regularly aggregates up to 2.64" (67mm) of precipitation. In Massena, during the entire year, the rain falls for 160.1 days and collects up to 29.76" (756mm) of precipitation.Snowfall
Months with snowfall in Massena, New York, are January through May, October through December. May is the last month it regularly snows in Massena. During 0.5 snowfall days, in May, Massena aggregates 0.12" (3mm) of snow. In Massena, during the entire year, snow falls for 70.6 days and aggregates up to 36.02" (915mm) of snow.Daylight
In Massena, the average length of the day in May is 14h and 52min.On the first day of May in Massena, sunrise is at 5:47 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 5:16 am and sunset at 8:38 pm EDT.
Sunshine
The average sunshine in May in Massena is 8.4h.UV index
In May, the average daily maximum UV index in Massena is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In May, a regular UV index of 4 translates into these guidelines:
Prioritize safety - Suggestions to prevent sun damage are offered. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
What is the temperature in May in Massena?
What is the average humidity in May in Massena?
How much does it rain in Massena in May?
What is the last month it snows in Massena?
What is the average length of the day in May in Massena?
When is the sunrise / sunset in May in Massena?
How many hours of sunshine does Massena have in May?
What is the UV index reading in May in Massena?
Average temperature in May
Massena, NY
- Average high temperature in May: 64.8°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (23°F).
- Average low temperature in May: 46°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in May
Massena, NY
- Average pressure in May: 29.97"Hg
The months with the highest atmospheric pressure are March and November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Massena, NY
- Average wind speed in May: 7.5mph
The windiest month (with the highest average wind speed) is February (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in May
Massena, NY
- Average humidity in May: 78%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is April (77%).
Average rainfall in May
Massena, NY
- Average rainfall in May: 2.64"
The wettest month (with the highest rainfall) is August (3.23").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in May
Massena, NY
- Average rainfall days in May: 16.5 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in May
Massena, NY
- Average snowfall in May: 0.12"
The month with the highest snowfall is January (9.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Massena, NY
- Average snowfall days in May: 0.5 days
The month with the highest number of snowfall days is February (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Massena, NY
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).
Average sunshine days in May
Massena, NY
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is July (9.1 days).
Average UV index in May
Massena, NY
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Massena, NY
- Average cloud cover in May: 45
The month with the most cloud cover is February (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in May
Massena, NY
- Average visibility in May: 6mi
The months with the highest visibility are April, May, June, July, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Massena, New York, USA
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